Teach CXXUnresolvedConstructExpr when it should be an

lvalue/xvalue/rvalue, rather than just (incorrectly) assuming it's an
lvalue. Fixes PR10285 / <rdar://problem/9743926>.

llvm-svn: 134700

1 files changed, 4 insertions, 1 deletions

diff --git a/clang/lib/AST/ExprClassification.cpp b/clang/lib/AST/ExprClassification.cpp
index 2a05c1fccff..f75a56c39e2 100644
--- a/clang/lib/AST/ExprClassification.cpp
+++ b/clang/lib/AST/ExprClassification.cpp
@@ -117,7 +117,6 @@ static Cl::Kinds ClassifyInternal(ASTContext &Ctx, const Expr *E) {
   case Expr::UnresolvedLookupExprClass:
   case Expr::UnresolvedMemberExprClass:
   case Expr::CXXDependentScopeMemberExprClass:
-  case Expr::CXXUnresolvedConstructExprClass:
   case Expr::DependentScopeDeclRefExprClass:
     // ObjC instance variables are lvalues
     // FIXME: ObjC++0x might have different rules
@@ -295,6 +294,10 @@ static Cl::Kinds ClassifyInternal(ASTContext &Ctx, const Expr *E) {
     if (!Lang.CPlusPlus) return Cl::CL_PRValue;
     return ClassifyUnnamed(Ctx, cast<ExplicitCastExpr>(E)->getTypeAsWritten());
 
+  case Expr::CXXUnresolvedConstructExprClass:
+    return ClassifyUnnamed(Ctx, 
+                      cast<CXXUnresolvedConstructExpr>(E)->getTypeAsWritten());
+      
   case Expr::BinaryConditionalOperatorClass: {
     if (!Lang.CPlusPlus) return Cl::CL_PRValue;
     const BinaryConditionalOperator *co = cast<BinaryConditionalOperator>(E);